如何从默认构造函数调用参数化构造函数？

Question

I want to call parameterized constructor from default constructor inside a public java class.

Can I achieve it?

public Rectangle()
{
Rectangle(10.5f,2.5f)     //this not working
}
public Rectangle(float length, float breadth)
{
code...
}

Answer 1

You can use the this keyword.

This should do the trick:

public Rectangle() {
    this(10.5f, 2.5f);
}

public Rectangle(float length, float breadth) {
    //code..
}